cannot find mangamura.org

dns dig

-[1132]% dig @8.8.8.8 mangamura.org

; <<>> DiG 9.11.2-P1 <<>> @8.8.8.8 mangamura.org
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39674
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;mangamura.org.                 IN      A

;; AUTHORITY SECTION:
mangamura.org.          1799    IN      SOA     dom.ns.cloudflare.com. dns.cloudflare.com. 2027561318 10000 2400 604800 3600

;; Query time: 43 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Apr 23 21:09:16 JST 2018
;; MSG SIZE  rcvd: 103
-[1195]% dig mangamura.org

; <<>> DiG 9.11.2-P1 <<>> mangamura.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: FORMERR, id: 40723
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; WARNING: recursion requested but not available

;; WARNING: EDNS query returned status FORMERR - retry with '+noedns'

;; QUESTION SECTION:
;mangamura.org.                 IN      A

;; Query time: 0 msec
;; SERVER: 192.168.100.1#53(192.168.100.1)
;; WHEN: Mon Apr 23 21:09:24 JST 2018
;; MSG SIZE  rcvd: 31